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Mcqs MBBS Exams India
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Home >> Physiology >> Mcqs Page 25
(Single Best Answer) Question 241: During moderate exercise, blood flow to brain ?
A) Increases
B) Decreases
C) No effect
D) First increases then decreases
Answer (Select an option above to get the answer):
(Single Best Answer) Question 242: Corticospinal injury is associated with all except ?
A) Babinski sign present
B) Clasp knife rigidity
C) Loss of fine movements in fingers and hand
D) Superficial abdominal reflex absent
Answer (Select an option above to get the answer):
(Single Best Answer) Question 243: Ventricular Depolarization starts from ?
A) Basal part of ventricle
B) Left part of Interventricular septum
C) Posterobasal part of ventricle
D) Uppermost part of Interventricular septum
Answer (Select an option above to get the answer):
(Single Best Answer) Question 244: Left lobe is responsible for ?
A) Appreciation of Music
B) Spatial orientation
C) Fine Motor Movement / Visual Stimuli Processing
D) Written and Spoken Language
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(Single Best Answer) Question 245: Which of the following is not a naturally occuring anticoagulant in the body ?
A) Protein C
B) Protein S
C) Antithrombin III
D) von Willebrand Factor
Answer (Select an option above to get the answer):
(Single Best Answer) Question 246: Which one of the following is the most abundant constituent of the human surfactant ?
A) Phosphatidyl ethanolamine
B) Phosphatidyl inositol
C) Phosphatidyl glycerol
D) Phosphatidyl choline
Answer (Select an option above to get the answer):
(Single Best Answer) Question 247: CO2 is primarily transported in the arterial blood as ?
A) Dissolved CO2
B) Carbonic Acid
C) Carbamino-hemoglobin
D) Bicarbonate
Answer (Select an option above to get the answer):
(Single Best Answer) Question 248: S.A. node acts as a pacemaker of the heart because of the fact that it ?
A) Is capable of generating impules spontaneously
B) Has rich sympathetic innervation
C) Has poor cholinergic innervation
D) Generates impulses at the highest rate
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(Single Best Answer) Question 249: In which of the following a reduction in arterial oxygen tension occurs ?
A) CO poisoning
B) Anaemia
C) Moderate exercise
D) Hypoventilation
Answer (Select an option above to get the answer):
(Single Best Answer) Question 250: Distribution of blood flow is mainly regulated by the ?
A) Arteries
B) Arterioles
C) Capillaries
D) Venules
Answer (Select an option above to get the answer):